Khat Chewing and Lifestyle Risk Factors Associated with Helicobacter pylori Infection Among Adults with Dyspepsia in Sana’a, Yemen: A Cross-Sectional Study. SUJMHS [انترنت]. 28 فبراير، 2026 [وثق 13 أبريل، 2026];20(1):464-8. موجود في: https://journals.su.edu.ye/index.php/jchm/article/view/2395